Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-07-2019 and time 05:09:45 (UTC) in region 2 km SE Bronte (CT)

A magnitude ML 2.0 earthquake occured in region: 2 km SE Bronte (CT), on

  • 23-07-2019 05:09:45 (UTC)
  • 23-07-2019 07:09:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7770, 14.8490 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bronte CT 2 19172 19172
Maletto CT 6 3920 23092
Maniace CT 10 3765 26857
Adrano CT 13 36122 62979
Cesarò ME 14 2439 65418
Randazzo CT 14 10900 76318
Biancavilla CT 15 24007 100325
San Teodoro ME 15 1403 101728
Ragalna CT 18 3924 105652
Santa Maria di Licodia CT 18 7641 113293
Santa Domenica Vittoria ME 19 980 114273
Centuripe EN 20 5470 119743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Acireale (52622 inhabitants)
37 Km NW of Catania (314555 inhabitants)
76 Km E of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
95 Km NE of Gela (75827 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
96 Km N of Vittoria (63339 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.0 2019-07-23
05:09:45		 37.7767 14.8488 10 2019-11-13
14:31:03		 Bollettino Sismico Italiano INGV 72796031
Reviewed
Rev100 		ML 2.0 2019-07-23
05:09:45		 37.7787 14.8537 10 2019-07-23
05:16:29		 Sala Sismica INGV-Roma 70813391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-23 05:09:45 ± 0.06
Latitude 37.7767 ± 0.0045
Longitude 14.8488 ± 0.0046
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72796031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 491
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.81568
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 72796031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-26 14:30:09

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 70813391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-23 05:16:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2019-07-23T05:10:01.04 1.0 undecidable manual P 345 90.5427 50 -0.01 22
IV.SSY.HHZ. 2019-07-23T05:09:59.29 3.0 negative manual P 71.4729 1.18 0
IV.MTTG.HHE. 2019-07-23T05:09:59.76 0.3 undecidable manual P 71 78.6657 50 0.55 59
IV.MSRU.HHZ. 2019-07-23T05:09:59.32 0.6 undecidable manual P 47 79.0653 50 0.05 44
IV.MSFR.HHZ. 2019-07-23T05:09:58.00 0.3 undecidable manual S 322 36.3414 50 0.08 71
IV.RAFF.HHZ. 2019-07-23T05:09:58.54 1.0 undecidable manual P 215 74.8695 50 -0.1 22
IV.MPNC.HHZ. 2019-07-23T05:09:56.18 0.1 undecidable manual P 47 60.1953 50 -0.2 89
IV.MUCR.HHZ. 2019-07-23T05:09:56.20 0.3 undecidable manual S 4 29.6481 50 0.08 72
IV.HAGA.HHZ. 2019-07-23T05:09:56.48 1.0 undecidable manual P 154 60.7947 50 0.01 23
IV.ECTS.EHZ. 2019-07-23T05:09:55.80 1.0 undecidable manual S 64 26.5512 50 0.5 22
IV.GALF.HHZ. 2019-07-23T05:09:55.50 0.1 undecidable manual S 254 25.8519 50 0.4 91
IV.HLNI.HHE. 2019-07-23T05:09:54.36 0.3 undecidable manual P 178 47.5191 50 -0.06 70
IV.MNO.SHZ. 2019-07-23T05:09:54.20 0.6 undecidable manual S 322 21.7671 115 0.27 47
IV.EPIT.HHN. 2019-07-23T05:09:53.40 0.3 undecidable manual S 78 18.6702 119 0.45 68
IV.AIO.HHZ. 2019-07-23T05:09:53.19 0.3 undecidable manual P 57 39.9267 50 -0.06 71
IV.MSFR.HHZ. 2019-07-23T05:09:52.85 0.1 undecidable manual P 322 36.3414 50 0.15 94
IV.MUCR.HHZ. 2019-07-23T05:09:51.29 0.1 undecidable manual P 4 29.6481 50 -0.37 90
IV.ECTS.EHZ. 2019-07-23T05:09:50.85 0.1 undecidable manual P 64 26.5512 50 -0.34 92
IV.EMSG.HHZ. 2019-07-23T05:09:50.90 0.3 undecidable manual S 61 10.0788 135 0.33 71
IV.MNO.SHZ. 2019-07-23T05:09:50.22 0.1 negative manual P 322 21.7671 115 -0.17 96
IV.GALF.HHZ. 2019-07-23T05:09:50.94 0.1 positive manual P 254 25.8519 50 -0.14 96
IV.ESML.HHZ. 2019-07-23T05:09:49.86 0.6 undecidable manual P 171 17.7711 120 0.18 48
IV.EMCN.HNE. 2019-07-23T05:09:49.42 0.1 undecidable manual P 84 16.2726 122 0 100
IV.EPIT.HHN. 2019-07-23T05:09:49.84 0.1 positive manual P 78 18.6702 119 0.01 99
IV.EPZF.HHZ. 2019-07-23T05:09:49.80 0.3 undecidable manual S 8 5.2947 153 0.22 73
IV.ESLN.HHZ. 2019-07-23T05:09:48.95 0.1 undecidable manual P 130 14.3745 126 -0.16 97
IV.EMSG.HHZ. 2019-07-23T05:09:48.20 0.1 positive manual P 61 10.0788 135 -0.26 96
IV.EPZF.HHZ. 2019-07-23T05:09:47.49 0.1 positive manual P 8 5.2947 153 -0.39 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:0.0 0.002771111 0.2592 AML other m 2019-07-23T05:09:50.53
IV.EPZF.HHN. ML:0.0 0.0038251049999999997 0.32 AML other m 2019-07-23T05:09:50.65
IV.EMSG.HHN. ML:0.0 0.0072407255 0.1824 AML other m 2019-07-23T05:09:51.04
IV.EMSG.HHE. ML:0.0 0.007486158 0.2592 AML other m 2019-07-23T05:09:51.34
IV.ESLN.HHN. ML:0.0 0.00129562585 0.2784 AML other m 2019-07-23T05:09:53.46
IV.ESLN.HHE. ML:0.0 0.001684762 0.4 AML other m 2019-07-23T05:09:53.80
IV.MNO.SHE. ML:0.0 0.00083676015 0.32 AML other m 2019-07-23T05:09:55.44
IV.GALF.HHN. ML:0.0 0.002144666 0.6592 AML other m 2019-07-23T05:09:56.71
IV.MNO.SHN. ML:0.0 0.0009311030500000001 0.32 AML other m 2019-07-23T05:09:56.44
IV.MUCR.HHE. ML:0.0 0.0008080127 0.6016 AML other m 2019-07-23T05:09:56.94
IV.GALF.HNE. ML:0.0 0.00024313420000000003 1.1104 AML other m 2019-07-23T05:09:56.22
IV.GALF.HNN. ML:0.0 0.00021491427 0.4192 AML other m 2019-07-23T05:09:56.70
IV.ESML.HHN. ML:0.0 0.000751278 1.5776 AML other m 2019-07-23T05:09:57.87
IV.MUCR.HHN. ML:0.0 0.00058690645 0.4 AML other m 2019-07-23T05:09:58.30
IV.ECTS.EHN. ML:0.0 0.0004979813 0.3776 AML other m 2019-07-23T05:09:58.33
IV.ECTS.EHE. ML:0.0 0.00045927325000000004 0.4576 AML other m 2019-07-23T05:09:58.80
IV.MSFR.HHN. ML:0.0 0.00010620813500000001 0.5184 AML other m 2019-07-23T05:09:58.33
IV.ESML.HHE. ML:1.9 0.0006848628999999999 0.2976 AML other m 2019-07-23T05:09:58.65
IV.GALF.HHE. ML:0.0 0.0018079525 0.5184 AML other m 2019-07-23T05:09:59.35
IV.AIO.HHN. ML:1.7 0.00016660164999999998 0.2208 AML other m 2019-07-23T05:10:02.80
IV.MSFR.HHE. ML:0.0 0.00012074522499999999 0.3776 AML other m 2019-07-23T05:10:02.68
IV.AIO.HHE. ML:0.0 0.0001870703 0.2208 AML other m 2019-07-23T05:10:03.28
IV.MPNC.HHE. ML:1.9 0.00015039355 0.48 AML other m 2019-07-23T05:10:13.68
IV.SSY.HHE. ML:2.0 0.00018186805 0.2208 AML other m 2019-07-23T05:10:14.23
IV.MPNC.HHN. ML:2.0 0.00018378830000000002 0.4416 AML other m 2019-07-23T05:10:14.41
IV.SSY.HHN. ML:0.0 0.000576559 0.3392 AML other m 2019-07-23T05:10:14.30
IV.RAFF.HHN. ML:1.4 0.00003622993 0.3584 AML other m 2019-07-23T05:10:15.25
IV.MSRU.HHE. ML:0.0 0.00012181138 0.4224 AML other m 2019-07-23T05:10:15.62
IV.IFIL.HHN. ML:0.0 0.0002132492 0.48 AML other m 2019-07-23T05:10:16.82
IV.IFIL.HHE. ML:0.0 0.0004620413 0.4192 AML other m 2019-07-23T05:10:19.38
IV.RAFF.HHE. ML:1.5 0.000052103819999999995 1.3024 AML other m 2019-07-23T05:10:22.78
IV.MSRU.HHN. ML:1.7 0.00006576784 1.3792 AML other m 2019-07-23T05:10:25.83
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download